function [X, Y, T, AUC] = computeROC(resp, score, posclass, alpha)

% returns the FPR and TPR coordinates of an ROC curve 
% for a vector of classifier predictions, scores, given true 
% class labels, labels, and the positive class label and alpha
% level. 

[X,Y,T,AUC] = perfcurve(resp, score, posclass, 'Alpha', alpha);

end
